46 U. S. NATIONAL MUSEUM BULLETIN 216 



3b. Scambus longicorpus occidentalis Walley, new subspecies 



Scambus ephialtoides Cushman, 1917, Proc. U. S. Nat. Mus., vol. 53, p. 466. Part. 



Differs from the typical subspecies principally as follows: 



Male: Front wing 2.5 mm. long. 



Scape and pedicel brownish beneath; tegula brown; coxae, base 

 of middle trochanter, and hind trochanter except at apex, dark 

 brown to blackish; remainder of trochanters sordid yellowish; front 

 femur dull reddish, suffused with brownish above; front tibia dull 

 reddish ; front tarsus paler reddish at base, becoming brownish toward 

 apex; middle and hind legs with femora and segments beyond, dark 

 brownish; wings tinged with brownish. 



Female: Front wing 3.5 mm. long. 



Maxillary palpus fuscous; antenna almost uniformly dark brown 

 or blackish; tegula brownish black; coxae and trochanters, except 

 apices of latter, brownish black to black; apices of trochanters, and 

 middle and hind femora very narrowly at bases, dull yellowish to 

 pale brownish; remainder of front legs rather pale reddish brown; 

 middle and hind femora beyond bases rufopiceous to black; remain- 

 der of middle and hind legs dark brown to blackish; wings tinged 

 with brownish. 



Type: 9, coast of southern British Columbia; reared by W. 

 Mathers, May 6, 1938, at Vancouver, B. C, from cones of Picea 

 sitchensis from which seed had previously been extracted. (Ottawa, 

 No. 6752 in Canadian National Collection.) 



Paratypes: <? (April 23), 29, (April 19), other data as in type 

 (Ottawa). c7\ Nitinat (about 50 miles north of Victoria), B. C, 

 May 7, 1941, M. L. Prebble, reared from cones of Picea sitchensis. cf , 

 Crescent City, Calif., from cones of Picea engelmanni, Parry (Washing- 

 ton). 9, Poudre Lake at 11,000 ft., Kocky Mountain National Park, 

 Colo., Aug. 12, 1948, Townes family (Townes). d", Corlett, Mont., 

 May 16, 1914, from Picea engelmanni (Washington). 29, Mount 

 Rainier at 4,700 ft., Wash., July 21, 1940, H. and M. Townes (Townes). 

 The 2 specimens from Corlett, Mont., and Crescent City, Calif., are 

 paratypes e and j, respectively, in Cushman's type series of 

 ephialtoides. 



Host: Unknown. 



II. VESICARIUS GROUP 



Rather small species (front wing in female usually from 3.0 to 5.0 

 mm. long); head transverse; temple strongly rounded; cheek in female 

 0.33 to 0.5 times breadth of mandible at base; ocelli small; sheath 

 slightly longer than abdomen; ovipositor slender, sagittate at apex; 

 upper valve of ovipositor with a conspicuous nodus and with region 

 beyond nodus more or less distinctly transversely flattened; lower 



